Patents are the manifestation of the industry R&D endeavor; therefore,World carbon fiber industry from the perspective of patent analysis is studied. Findings f
In order to research how the size of the ink flow channel is affected by the interaction of adjacent ink areas,according to the method of fluid-solid interactio
A structure of gradient hard coatings( Ti,TiN,TiCN and TiAlN) is designed,and residual stress is simulated by a finite element method with ANSYS. The influence